Window Replacement Cost in Philadelphia (2026)
Average cost in Philadelphia
US$2,495 — US$8,197
US$431 — US$1,038 per sq ft
Cost Breakdown
ItemizedWindow units, frames, and glass
82%
Professional installation and fitting
15%
City of Philadelphia L&I fees
1%
Removal of old units and debris
2%
Sales Tax at 6%
📋What's Included
ScopeTypically Includes
- Standard vinyl double-hung windows
- Removal of old windows
- Installation & insulation
- Interior trim
- Cleanup
Typically Excludes
- Custom or specialty shapes
- Triple-pane or premium glass
- Exterior trim or cladding
- Structural modifications
- Bay or bow windows
Based on replacing 10 standard-size windows with vinyl double-hung.
🧮Estimate Your Cost
InteractiveEstimated Cost
US$4,560 — US$6,840
Based on 9 sources and market data for Philadelphia. Actual costs may vary depending on specific project requirements.
📈Price Momentum
Year-over-year~1 year ago
US$5,106
Today
US$5,489
Window Replacement in Philadelphia is ↑ 7.5% compared to roughly a year ago — about US$383 more on the average project.
Comparison derived from the year-over-year change rate, not a month-by-month price index. We don't store historical snapshots yet — when we do, this will become a real time series.
🏢Top Window Replace Contractors in Philadelphia
Verified providersRenewal by Andersen Window Replacement
761 5th Ave #3, King of Prussia, PA 19406, USA
6,193 reviews
Window World of Philadelphia
253 Horsham Rd, Horsham, PA 19044, USA
377 reviews
ARDMOR Windows & Doors
1813 Easton Rd, Willow Grove, PA 19090, USA
1,370 reviews
Provider data sourced from public business directories. Ratings and reviews are public and may change. LookupCost is not affiliated with listed providers.
💬What People Actually Paid
Community❓Common Questions
A permit is generally not required for 'like-for-like' replacements. However, if you are making structural changes to the opening or if your home is in a designated historic district, a permit is required, typically costing between $63 and $72.
The average cost for a single professionally installed window in Philadelphia is approximately $1,038. This typically breaks down into $889 for materials and $148 for labor per unit.
Properties in Philadelphia's historic districts often require specific materials like clad wood to maintain architectural integrity. These requirements can increase project costs by 20% to 40% compared to standard vinyl replacements.
Fiberglass and clad wood are highly recommended for Philadelphia's humid summers and snowy winters due to their durability and resistance to warping. While vinyl is the most budget-friendly (averaging $100–$900 per unit), fiberglass offers better long-term value in this region.
📊Our Methodology
How we collect dataAggregated from 5+ verified web sources and cost databases
Licensed contractor estimates and regional cost guides
Government construction and labor statistics
Community-reported project costs and reviews
Last data collection: 2 weeks ago. Updates run weekly. All costs in USD.
About this data
Cost figures are estimates synthesized from public market data using AI research and refreshed regularly. Real project costs vary by scope, materials, contractor, and site conditions. Always get verified quotes from licensed contractors for your specific project.
Spotted bad data? Let us know — we'll review and update.